SaaS Database Administrator - Multi-Region (PostgreSQL/MySQL)

Longbridge Singapore; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

Longbridge Singapore is seeking a hands-on Database Administrator to own the data layer for our multi-region SaaS clusters (US/SG/JP). You will deploy, upgrade, backup and monitor PostgreSQL, MySQL and Redis, with a focus on availability and data integrity.

You will design multi-tenant data solutions, ensure high availability across zones, participate in performance tuning, and collaborate with engineering using Terraform, Bytebase and other tooling to automate onboarding of new tenants.

Qualifications

• 3+ years of production DBA experience with PostgreSQL and/or MySQL.
• Experience with HA and backup/recovery solutions and failover drills.
• Solid performance tuning: slow-query analysis, indexing, execution plans.
• Experience with AWS RDS/Aurora and cloud backup/recovery patterns.

Responsibilities

• Operate the databases of our multi-region SaaS clusters day to day: deployment, upgrades, backup and recovery, monitoring and incident handling — mainly PostgreSQL, MySQL, Redis, plus ClickHouse.
• Help design and deliver multi-tenant SaaS data solutions with tenant isolation and onboarding.
• Own multi-AZ high availability and DR drills within each region; meet RPO/RTO targets.
• Run capacity planning and performance tuning; participate in P0/P1 incident response and post-mortems.
• Improve database platform tooling (Terraform, Bytebase, self-service query tools) to automate market onboarding.
• Review schema designs and SQL with engineering; gate production changes with SRE.

Skills

PostgreSQL

MySQL

HA & backup

Performance tuning

AWS RDS

English fluency

Scripting

Kubernetes

ClickHouse

Tools

Terraform

Bytebase

Self-service tooling

Query tooling

Job description

Longbridge Singapore is seeking a hands-on Database Administrator to own the data layer for our multi-region SaaS clusters (US/SG/JP). You will deploy, upgrade, backup and monitor PostgreSQL, MySQL and Redis, with a focus on availability and data integrity.

You will design multi-tenant data solutions, ensure high availability across zones, participate in performance tuning, and collaborate with engineering using Terraform, Bytebase and other tooling to automate onboarding of new tenants.